/*
 *   IGraph library R interface.
 *   Copyright (C) 2005-2012  Gabor Csardi <csardi.gabor@gmail.com>
 *   334 Harvard street, Cambridge, MA 02139 USA
 *
 *   This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 *  02110-1301 USA
 *
 *  Note: these two functions are from the source file src/rinterface.c
 *        of the R igraph package.
 */

int R_SEXP_to_vector(SEXP sv, igraph_vector_t *v);
int R_SEXP_to_igraph(SEXP graph, igraph_t *res);

